package com.blds.mc.config.interceptor;

import com.blds.mc.common.ConstCode;
import org.springframework.http.HttpStatus;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class WxLoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        HttpSession session = request.getSession(false);
        if (session == null || StringUtils.isEmpty(session.getAttribute(ConstCode.SESSION_KEY_WX_MA_OPENID))
                || StringUtils.isEmpty(session.getAttribute(ConstCode.SESSION_KEY_WX_MA_OPENID))) {
            response.setStatus(HttpStatus.UNAUTHORIZED.value());
            return false;
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                           ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
            throws Exception {

    }

}
